<http://schema.org/description>
"\u597D\u50CF\u5C31\u6211\u7684\u5934\u50CF\u5C5E\u4E8E\u6000\u65E7\u98CE\u683C\u7684\u2026\u2026"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/liyong/p118263>